2003 Nissan Pathfinder Engine Parts
Find Your Specific 2003 Nissan Pathfinder Engine Parts
Below you will find various in-demand Nissan Engine Parts, components and accessories for your 2003 Pathfinder. Advance Auto Parts has popular Pathfinder parts like Camshafts, Valve Cover and Cylinder Heads, Engine Mounts and more. You’ll also find aftermarket and OEM Engine Parts for other Pathfinder model years including
2013,
2014,
2015,
2016,
2017,
2018,
2019,
2020,
2022 and more. Select a category of 2003 Nissan Pathfinder Engine Parts below and start saving instantly.
Popular 2003 Nissan Pathfinder Engine Parts Categories
Essential Engine Parts for 2003 Nissan Pathfinders
Spectra Premium – Engine Oil Pan (Part No.NSP28A)
from
$85.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium oil pans meet or exceed the performance of the original equipment they replace.
Product Features:
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Product Features:
- Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE expertise
- Durable powder coating applied to exterior of oil pan for a long lasting rust free unit
- Washed and then sealed with an anti-corrosive spray on the interior for a rust free unit at installation
- Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
- Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
- Road tested to ensure real world performance and to verify that each design meets our high standards for quality
- Coating salt spray tested for over 200 hours to insure durability
Cloyes Gear – Engine Timing Chain (Part No.9-4207)
from
$71.99
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment. CAD designed and manufactured using premium materials. Refer to our online catalog for detailed application-specific information.
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Product Features:
- A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
- CAD designed and manufactured using premium materials
- Refer to our online catalog for detailed application-specific information
- Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
Felpro – Engine Oil Cooler Seal (Part No.73233)
from
$10.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Includes all parts needed to complete the repair
Felpro – Engine Timing Cover Gasket Set (Part No.TCS 45612)
from
$16.49
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
- ENGINEERING EXPERTISE – Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
- REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
Dorman – Engine Valve Cover (Part No.264-774)
from
$139.99
This replacement valve cover matches the fit and function of the original equipment part that may be damaged or warped. Made from quality materials for excellent fit and superior heat resistance, this valve cover has undergone extensive testing.
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Product Features:
- Direct replacement – this valve cover matches the original equipment part for fit and function
- Durable construction – this valve cover is made of quality materials to withstand extreme temperatures to resist leaking
- Cost-effective solution – offers original equipment performance at competitive price
- Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable service
MAHLE Original – Engine Cylinder Head Bolt Set (Part No.GS33540)
from
$129.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- Cylinder head bolt set (GS) contains the head bolts necessary to replace one cylinder head. Torque-to-yield bolts cannot be reused, new fasteners ensure proper sealing load when used with new MAHLE Original head gaskets.
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Victor Reinz – Engine Cylinder Head Gasket (Part No.61-53675-00)
from
$44.99
For secure, lasting macro and micro sealing, and protection against fuel, oil, water, and anti-freeze, Victor Reinz cylinder head gaskets deliver optimal service. Victor Reinz gaskets deliver OE proven strength and resistance to extreme temperatures and high-combustion pressures, and Victor Reinz engineers choose the most effective materials and designs from the global resources of Dana Incorporated.
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Product Features:
- Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
NTK – Engine Camshaft Position Sensor (Part No.EC0237)
from
$71.99
The Crankshaft or Camshaft Position Sensor plays a vital role in your engine’s operation, to determine the exact position or speed of the crankshaft or camshaft to the ECM. The ECM then uses this information to determine fuel and spark timing. A failed sensor can result in a check engine light, failure to start, intermittent stalling or misfire. Crankshaft or Camshaft Position Sensors are premium quality products with outstanding support and leading innovation bred from our OE heritage.
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Product Features:
- THE DIFFERENCE: Enhanced, robust circuit board traces and precision-wound coated-copper windings increase durability, longevity and performance
- OE QUALITY: Designed to meet or exceed OE specifications, fit, form and function ensures proper position, rotating speed of the camshaft or crankshaft
- EXTENSIVE TESTING: 100 percent thermal shock and vibration tested for best in class performance and reliability in the most extreme conditions
- PRODUCT ENGINEERING: Premium seals prevent leaks or corrosion, while optimized magnet size and strength ensures precise, consistent signal output
- INSTALLATION AND SUPPORT: Includes OE style brackets, hold downs, hardware, spacers and weathertight connectors
MAHLE Original – Engine Coolant Water Bypass Gasket (Part No.C31682)
from
$1.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Carquest Premium – Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10107)
from
$12.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.
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Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
National – Multi-Purpose Seal (Part No.224052)
from
$7.29
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
- Good low temperature capability
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Carquest Premium – Camshaft Sensor (Part No.CSC1034)
from
$71.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments.
Product Features:
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Product Features:
- Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
- Manufactured in an anti-static environment to ensure reliability and stability.
- Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
- Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
MAHLE Original – Engine Valve Cover Gasket (Part No.VS50371SR)
from
$16.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Felpro – Engine Oil Pan Gasket Set – RTV Black silicone with Rubber end seals (Part No.OS 30696)
from
$20.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
- SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
- EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
- REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S947)
from
$19.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
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Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 72821)
from
$50.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Product Features:
- RIGHT TYPE – Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
- QUALITY MATERIALS – Each valve stem seal features materials based on the specific application for your vehicle repair
- ENGINEERING EXPERTISE – Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
- INSTALLATION AID – Installation tool included to protect inner lip of seal from damage during seal installation
- COVERAGE – Available for domestic and foreign nameplate vehicles
Hitachi – Engine Variable Timing Gear – New Actual OE Part (Part No.VTG0008)
from
$201.99
Hitachi’s Variable Timing Gears (VTGs) to allow the engine to adjust timing for optimal performance and fuel economy. Sprocket tooth profile designed to reduce wear and tear while increasing chain-to-tooth engagement. Precision machined surfaces and ports create optimal flow passages and minimal friction for smooth operation. Computer-aided balancing eliminates noise and vibration during operation. Designed to meet the exact needs of each specific vehicle, Hitachi’s Variable Timing Gears are the premium choice. Hitachi is a Tier One OE supplier to the largest automobile manufacturers globally, delivery industry leading quality, and exceeding customer expectations with our products and service. Hitachi is bringing that same knowledge and expertise to the premium products we deliver in the Aftermarket because Quality Matters.
Product Features:
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Product Features:
- Hitachi is a Tier 1 OE supplier for variable timing gears
- 100% NEW, never remanufactured
- Meets the OE performance and durability standards for this application
- Sprocket tooth profile designed to reduce wear and tear while increasing chain-to-tooth engagement
- Precision machined surfaces and ports create optimal flow passages and minimal friction for smooth operation
- Computer-aided balancing eliminates noise and vibration during operation
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40730)
from
$30.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
MAHLE Original – Engine Crankshaft Seal (Part No.67764)
from
$35.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
National – Multi-Purpose Seal (Part No.223801)
from
$9.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
- Good low temperature capability
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 26372 PT)
from
$187.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- PROPRIETARY COATING – Exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra
- SUPERIOR SEAL – Precise embossed sealing beads at all vital areas to eliminate leak paths
- MULTI-LAYERED STEEL CONSTRUCTION – Multiple layers of stainless steel maintain sealing stress and accommodate head lift
- UNIQUE COMBUSTION SEAL – Accommodates high cylinder pressures and head movement encountered with engines
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
Anchor – Engine Mount: Right, 1 Piece (Part No.9809)
from
$79.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to Applicable to INFINITI 14-20; NISSAN 07-18;. Please verify your application.
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Product Features:
- MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
- MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
- HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
- SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
- HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
- For Years: 2007-2020
- Weight approx: 6 Lbs
- HYDRAULIC
Hitachi – Oil Pump Actual OE Part New (Part No.OUP0025)
from
$108.99
Choose Hitachi oil pumps to protect engine components from frictional wear and overheating! Hitachi oil pumps ensure sufficient lubrication and smooth oil circulation. Hitachi is a Tier One OE supplier to the largest automobile manufacturers globally, delivery industry leading quality, and exceeding customer expectations with our products and service. Hitachi is bringing that same knowledge and expertise to the premium products we deliver in the Aftermarket because Quality Matters. Hitachi’s Oil Pump (OUPs) are crucial to lubricating the moving engine components from frictional wear and overheating! Hitachi OUPs ensure sufficient lubrication and smooth oil circulation. With a cast aluminum housing to keep weight down and machined steel internals Hitachi’s OUPs ensure durability with high thermal efficiency. Precision machined surfaces provide efficient flow and optimal pressure throughout the lubrication system. Designed to meet the exact needs of each specific vehicle, Hitachi’s Oil Pumps are the premium choice.
Product Features:
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Product Features:
- O-Ring/Gaskets included when applicable
- Hitachi is a Tier 1 OE supplier for oil pumps
- 100% NEW, never remanufactured
- Meets the OE performance and durability standards for this application
- Cast aluminum housing with machined steel internals results in lightweight, durability, and high thermal efficiency
- Precision machined internals and housing for efficient flow and optimal pressure throughout the lubrication system
- Designed to reduce friction; Keeps the engine running cool.
Sealed Power – Engine Assembly Lubricant (Part No.55-400)
from
$10.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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Product Features:
- Formulated for prelubrication cam lobes, lifters & engine bearings
- Increases load carrying capacity
- Holds fast to surfaces
- Exacting tolerances
- Meets or exceeds OEM specifications
- 4.0 oz. Squeeze Container
Dorman – Harmonic Balancer Assembly (Part No.594-432)
from
$301.99
This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.
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Product Features:
- Ideal replacement – this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
- Durable construction – stringent specifications and careful construction help ensure longevity
- Thoroughly tested – this harmonic balancer has undergone dimensional verification, material validation and functional testing
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Sealed Power – Engine Piston Ring Set (Part No.E-1018KC)
from
$85.99
Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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Product Features:
- Chrome plated top ring facings for enhanced performance under demanding conditions
- Second rings seat instantly, properly control inter-ring pressure to improve cylinder sealing, provide efficient piston-to-cylinder heat transfer and aid in effective oil control
- Oil rings are unequalled at controlling oil; design keeps tension uniform while assuring a positive seal
- In the box: compression rings, rails and oil spacer
Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5595)
from
$91.99
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing. CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Meet or exceed OEM performance requirements. Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience.
Product Features:
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Product Features:
- A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design, tensioners can use spring tension or hydraulic pressure to properly tension the chain
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Meet or exceed OEM performance requirements
- Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
Carquest Premium – Engine Variable Valve Timing (VVT) Solenoid (Part No.VVC1028)
from
$205.99
The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.
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Product Features:
- Precision-wound coated copper windings increase product durability and life cycle.
- Hard-coated and anodized spool valve to prevent corrosion and increase service life.
- Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
- Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure product reliability, every time.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Upgrade your 2003 Nissan Pathfinder with Top-Quality Engine Parts
When it comes to maintaining or upgrading your 2003 Nissan Pathfinder, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Nissan or enhancing its overall performance, Engine Parts are key to keeping your Pathfinder functioning at its best. At Advance Auto Parts, we offer a wide selection of 62 Engine Parts for the 2003 Nissan Pathfinder, designed to meet your needs without breaking the bank.
From
Camshaft
replacements to
Valve Cover and Cylinder Heads
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Engine Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Engine Parts for your 2003 Nissan Pathfinder at great prices.
Our Engine Parts inventory for this model
ranges from just $1.99 to $5,324.99, with
an average price of $182.43.
Our 62 Engine Parts in stock come from 19 trusted brands, so you’re sure to find the right part for your 2003 Nissan Pathfinder without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Nissan Pathfinder, we stock popular OEM and aftermarket Engine Parts from top names
like FELPRO, Mahle, Imperial, and more.
FELPRO Engine Parts
start at just $20.99 and boast an impressive 4.6 stars average rating from customers.
Mahle and Imperial also bring quality to the table, with Engine Parts available starting at $6.99, and at an average 4.4 stars rating.
With 174 customer reviews and counting, our 2003 Nissan Pathfinder Engine Parts have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Engine Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2003 Nissan Pathfinder is always ready to roll. We’re committed to providing you with everything you need to keep your Pathfinder in top shape, all in one place.
Start shopping confidently below for your 2003 Nissan Pathfinder!
Best-Selling Camshafts for 2003 Nissan Pathfinders
Enhance the driving experience in your Nissan with 6 quality Camshaft components, starting at $4.99.
Carquest Premium – Camshaft Sensor (Part No.CSC1205)
from
$109.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments.
Product Features:
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Product Features:
- Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
- Manufactured in an anti-static environment to ensure reliability and stability.
- Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
- Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
National – Shaft Repair Sleeve (Part No.99196)
from
$33.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
National – Shaft Repair Sleeve (Part No.99166)
from
$34.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
Driveworks – Oil Seal (Part No.S-223801)
Dorman – Magnetic Camshaft Position Sensor (Part No.907-739)
from
$78.99
This engine camshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.
Product Features:
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Product Features:
- Direct replacement – this engine camshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
- Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Driveworks – Main Bearing Repair Sleeve (Part No.S-99181)
Most Popular 2003 Nissan Pathfinder Valve Cover and Cylinder Heads
Customize your Nissan with 7 Valve Cover and Cylinder Heads products
like Cylinder Head Bolt Sets,
Cylinder Head Gaskets, and
Cylinder Head Gasket Sets, all
priced under $661.99.
Felpro – Engine Cylinder Head Bolt Set (Part No.ES 72900)
from
$57.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
Product Features:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
- Validated for fit, form and function
- Unsurpassed quality you can trust
Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 26241 PT)
from
$147.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
- SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
- NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
- STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
Spartan – Engine Cylinder Head; Nissan VQ35DE 00-04 RGT Head (Part No.2344R)
from
$661.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.
Product Features:
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Product Features:
- All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
- All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
- All threads and machined surfaces are and repaired with technology that exceeds the original metal
- Non-sealing iron surfaces painted to prevent oxidization
Spartan – Engine Cylinder Head; Nissan VQ35DE 00-04 LFT Head (Part No.2344L)
from
$661.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.
Product Features:
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Product Features:
- All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
- All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
- All threads and machined surfaces are and repaired with technology that exceeds the original metal
- Non-sealing iron surfaces painted to prevent oxidization
Autotecnica – Valve Cover with Gasket (Part No.NI1418457)
from
$192.99
Autotecnica offers high-quality aftermarket parts for a wide variety of Asian and North American passenger cars and trucks, include braking, cooling, driveline, electrical, engine, fuel, HVAC, steering, and suspension categories. Manufactured in strict accordance with ISO/TS 16949 QMS specifications and covered by an impressive two-year, unlimited mileage warranty, Autotecnica is the smart choice. Whether you’re a DIY enthusiast or professional technician in need of replacement parts that meet OEM specifications, Autotecnica is an excellent alternative to expensive ¿Genuine¿ components.
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Autotecnica – Valve Cover with Gasket (Part No.NI1418458)
from
$192.99
Autotecnica offers high-quality aftermarket parts for a wide variety of Asian and North American passenger cars and trucks, include braking, cooling, driveline, electrical, engine, fuel, HVAC, steering, and suspension categories. Manufactured in strict accordance with ISO/TS 16949 QMS specifications and covered by an impressive two-year, unlimited mileage warranty, Autotecnica is the smart choice. Whether you’re a DIY enthusiast or professional technician in need of replacement parts that meet OEM specifications, Autotecnica is an excellent alternative to expensive ¿Genuine¿ components.
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Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26241 PT)
from
$60.99
Product Features:
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- PROPRIETARY COATING – Exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra
- SUPERIOR SEAL – Precise embossed sealing beads at all vital areas to eliminate leak paths
- MULTI-LAYERED STEEL CONSTRUCTION – Multiple layers of stainless steel maintain sealing stress and accommodate head lift
- UNIQUE COMBUSTION SEAL – Accommodates high cylinder pressures and head movement encountered with engines
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
Top Picks for 2003 Nissan Pathfinder Engine Mounts
Upgrade Nissan Pathfinders with top-quality Engine Mounts parts, including 2 OEM and aftermarket selections for your 2003 model.
International Suspension Group – Engine Mount (Part No.A7000129716ISG)
from
$30.07
International Suspension Group engine and transmission mounts are designed to the highest quality standards and manufactured using leading-edge technology.
Product Features:
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Product Features:
- High quality steel for mounts cast aluminum or steel frames (e-Coating being employed for corrosion resistance)
- Rubber: high quality NVH rubber which is same used in OE applications
- All mounts meet or exceed OEM specifications utilizing OE quality testing procedures
- ISO/TS16949 manufacturer for OE contracts
- All included hardware made of hardened steel with superior bolts
- Hydro-Electric mounts have the same number of components as OE, where applicable
- Electrical connectors are fully functional
Anchor – Engine Mount: Front Left, Front Right, 1 Piece (Part No.9408)
from
$84.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to Applicable to INFINITI 01-03; NISSAN 00-04;. Please verify your application.
Product Features:
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Product Features:
- MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
- MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
- HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
- SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
- HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
- For Years: 2000-2004
- Weight approx: 4 Lbs
In-Demand Engine Timing Parts for 2003 Nissan Pathfinders
Select from 13 premium Engine Timing Parts parts for your 2003 Nissan Pathfinder, with prices ranging from $15.99 to $232.99.
Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5589)
from
$91.99
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing. CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Meet or exceed OEM performance requirements. Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience.
Product Features:
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Product Features:
- A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design, tensioners can use spring tension or hydraulic pressure to properly tension the chain
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Meet or exceed OEM performance requirements
- Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
- Right hand Secondary Tensioner
Carquest Premium – Engine Variable Valve Timing (VVT) Solenoid (Part No.VVC1069)
from
$196.99
The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.
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Product Features:
- Precision-wound coated copper windings increase product durability and life cycle.
- Hard-coated and anodized spool valve to prevent corrosion and increase service life.
- Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
- Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure product reliability, every time.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Carquest Premium – Engine Variable Valve Timing (VVT) Solenoid (Part No.VVC1079)
from
$232.99
The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.
Product Features:
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Product Features:
- Precision-wound coated copper windings increase product durability and life cycle.
- Hard-coated and anodized spool valve to prevent corrosion and increase service life.
- Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
- Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure product reliability, every time.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5588)
from
$91.99
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing. CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Meet or exceed OEM performance requirements. Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience.
Product Features:
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Product Features:
- A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design, tensioners can use spring tension or hydraulic pressure to properly tension the chain
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Meet or exceed OEM performance requirements
- Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
- Left Hand Secondary Tensioner
Cloyes Gear – Engine Timing Chain (Part No.9-4207)
from
$71.99
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment. CAD designed and manufactured using premium materials. Refer to our online catalog for detailed application-specific information.
Product Features:
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Product Features:
- A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
- CAD designed and manufactured using premium materials
- Refer to our online catalog for detailed application-specific information
- Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
Hitachi – Variable Timing Control Solenoid – Actual OE Part New (Part No.VTS0007)
from
$216.99
Hitachi is a Tier One OE supplier to the largest automobile manufacturers globally, delivery industry leading quality, and exceeding customer expectations with our products and service. Hitachi is bringing that same knowledge and expertise to the premium products we deliver in the Aftermarket because Quality Matters. Hitachi is a Tier One OE supplier to the largest automobile manufacturers globally, delivery industry leading quality, and exceeding customer expectations with our products and service. Hitachi is bringing that same knowledge and expertise to the premium products we deliver in the Aftermarket because Quality Matters.
Product Features:
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Product Features:
- 100% NEW, never remanufactured
- Meets the OE performance and durability standards for this application
- Additional O-ring located in the solenoid housing prevents water from damaging electrical components
- Optimally designed electromagnet requires less energy to maintain operating positions
- Precision machined ports and high-quality seals create less pressure drop
- Hitachi’s Variable Timing Solenoid (VTSs) precisely regulate oil flow to the Variable Timing Gear to allow the engine to adjust timing for optimal performance and fuel economy. Our VTS have a(n) optimally designed electromagnet(s) requiring less energy to
Hitachi – Variable Timing Control Solenoid – Actual OE Part New (Part No.VTS0008)
from
$179.99
Hitachi is a Tier One OE supplier to the largest automobile manufacturers globally, delivery industry leading quality, and exceeding customer expectations with our products and service. Hitachi is bringing that same knowledge and expertise to the premium products we deliver in the Aftermarket because Quality Matters. Hitachi is a Tier One OE supplier to the largest automobile manufacturers globally, delivery industry leading quality, and exceeding customer expectations with our products and service. Hitachi is bringing that same knowledge and expertise to the premium products we deliver in the Aftermarket because Quality Matters.
Product Features:
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Product Features:
- 100% NEW, never remanufactured
- Meets the OE performance and durability standards for this application
- Additional O-ring located in the solenoid housing prevents water from damaging electrical components
- Optimally designed electromagnet requires less energy to maintain operating positions
- Precision machined ports and high-quality seals create less pressure drop
- Hitachi’s Variable Timing Solenoid (VTSs) precisely regulate oil flow to the Variable Timing Gear to allow the engine to adjust timing for optimal performance and fuel economy. Our VTS have a(n) optimally designed electromagnet(s) requiring less energy to
Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5436)
from
$74.99
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing. CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Meet or exceed OEM performance requirements. Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience.
Product Features:
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Product Features:
- A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design, tensioners can use spring tension or hydraulic pressure to properly tension the chain
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Meet or exceed OEM performance requirements
- Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S886)
from
$45.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
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Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Cloyes Gear – Engine Timing Chain Tensioner Guide (Part No.9-5437)
from
$37.99
Extensively tested and measured for function, fitment, and durability to ensure optimal performance. CAD designed and manufactured using premium materials. Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing. Refer to our online catalog for detailed application-specific information.
Product Features:
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Product Features:
- A timing chain guide serves as a track or guide, for the timing chain, connecting the crankshaft and camshaft. Designed to meet or exceed OEM performance requirements
- CAD designed and manufactured using premium materials
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- Refer to our online catalog for detailed application-specific information
Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S885)
from
$29.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation
Product Features:
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Product Features:
- Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
- Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Refer to our online catalog for detailed application-specific information
Cloyes Gear – Engine Timing Chain Guide (Part No.9-5440)
from
$15.99
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing. CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Designed to meet or exceed OEM performance requirements. Refer to our online catalog for detailed application-specific information.
Product Features:
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Product Features:
- A timing chain guide serves as a track or guide, for the timing chain, connecting the crankshaft and camshaft. Designed to meet or exceed OEM performance requirements
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Designed to meet or exceed OEM performance requirements
- Refer to our online catalog for detailed application-specific information
Cloyes Gear – Engine Timing Chain Guide (Part No.9-5439)
from
$15.99
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing. CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Designed to meet or exceed OEM performance requirements. Refer to our online catalog for detailed application-specific information.
Product Features:
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Product Features:
- A timing chain guide serves as a track or guide, for the timing chain, connecting the crankshaft and camshaft. Designed to meet or exceed OEM performance requirements
- CAD designed and manufactured using premium materials
- Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
- Designed to meet or exceed OEM performance requirements
- Refer to our online catalog for detailed application-specific information
Most Sold 2003 Nissan Pathfinder Engine Gaskets and Seals
Explore our best-selling Nissan parts for the 2003 Pathfinder among 12 OEM and aftermarket options starting from $1.99.
Felpro – Engine Oil Pan Gasket Set – RTV Black silicone with Rubber end seals (Part No.OS 30696)
from
$20.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
- SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
- EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
- REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
MAHLE Original – Engine Valve Cover Gasket (Part No.VS50371SL)
from
$17.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Felpro – Engine Valve Cover Gasket Set (Part No.VS 50608 R)
from
$35.99
Product Features:
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- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
- SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
- EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
- REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
MAHLE Original – Engine Oil Cooler Seal (Part No.B32573)
from
$6.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Felpro – TIMING COVER GASKET SET (Part No.TCS 45997)
from
$30.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
Product Features:
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Product Features:
- Timing cover set includes gaskets and seals necessary for timing chain/belt replacement job
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40631)
from
$47.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Engine Oil Pan Gasket Set – High-temperature Rubber-coated fiber (Part No.OS 30777)
from
$11.79
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
- SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
- EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
- REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
MAHLE Original – Engine Valve Cover Gasket (Part No.VS50371SR)
from
$16.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 72821)
from
$50.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- RIGHT TYPE – Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
- QUALITY MATERIALS – Each valve stem seal features materials based on the specific application for your vehicle repair
- ENGINEERING EXPERTISE – Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
- INSTALLATION AID – Installation tool included to protect inner lip of seal from damage during seal installation
- COVERAGE – Available for domestic and foreign nameplate vehicles
Felpro – Engine Oil Cooler Seal (Part No.73233)
from
$10.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Includes all parts needed to complete the repair
MAHLE Original – Engine Coolant Water Bypass Gasket (Part No.C31682)
from
$1.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Dorman – Variable Valve Timing Solenoid Gasket (Part No.918-373)
from
$9.99
VVT gaskets warped or cracked? These engine variable valve timing solenoid gaskets are designed to match the fit and function of the original gaskets on specified vehicles.
Product Features:
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Product Features:
- Direct replacement – these VVT solenoid gaskets are designed to match the fit and function of the original components on specified vehicles
- Restores functionality – replaces warped or cracked gaskets to stop and prevent leaks
- Durable construction – made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Top-Rated Engine Parts Brands For Your 2003 Nissan Pathfinder
Shop for the best-rated brands offering Engine Parts and other products for your 2003 Nissan Pathfinders. Below you’ll find some of our best rated Engine Parts from FELPRO, Mahle, and Imperial, and more. Engine Parts from these brands that fit a 2003 Pathfinder start at just $6.99 and are rated as high as 4.6 stars. OEM and aftermarket Engine Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular FELPRO 2003 Nissan Pathfinder Engine Parts
When it comes to maintaining or upgrading your 2003 Nissan Pathfinder, using quality Engine Parts is essential to ensure durability and a perfect fit. FELPRO ticks all of those boxes. We offer a wide selection of FELPRO Engine Parts, specifically designed for the 2003 Nissan Pathfinder. With over 2 FELPRO brand Engine Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $20.99, with an average price of just $28.49. Plus, with over 57 customer reviews and an average rating of 4.6 stars, you can trust that our FELPRO Engine Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Popular Mahle 2003 Nissan Pathfinder Engine Parts
Mahle auto parts is one of the highest quality Engine Part brands in the market. Any 2003 Nissan Pathfinder owner should feel confident when installing genuine Mahle parts in their vehicle. To ensure the best fit and performance for your 2003 Pathfinder, Advance Auto Parts carries a full inventory of 2 Mahle Engine Parts. Plus you will be keeping your Nissan in peak condition while saving money because prices on these Mahle Engine Parts range from $6.99 to $17.99, plus, with more than 5 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Engine Parts below will deliver on both quality and value.
from
$17.99
(1)
Engine Valve Cover Gasket
“Thought I had a rear main seal leak. Turned out the gasket slipped slightly (my fault) when I installed on try #1. It pinched. And leaked bad. Pic”
FAQs for 2003 Nissan Pathfinder Engine Parts
Which Engine Parts are best-sellers for 2003 Nissan Pathfinders?
Out of 62 Engine Parts that fit 2003 Nissan Pathfinders, the following parts are the top sellers:
- Crankshaft Sensor (12352319) – $63.99
- Multi-Purpose Seal (18442666) – $9.99
- Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (18481438) – $12.99
What’s the price range for 2003 Nissan Pathfinder Engine Parts?
Engine Part prices for the 2003 Nissan Pathfinder start at $1.99 and go up to $5,324.99 for the most premium parts.
What’s the average price of a Engine Part for a 2003 Nissan Pathfinder?
The average price for Engine Parts for the 2003 Nissan Pathfinder is $182.43. Keep in mind the variety of part types within our Engine Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Engine Parts for other Nissan Pathfinder model years?
What are the cheapest Engine Parts for my 2003 Nissan Pathfinder?
The cheapest 2003 Nissan Pathfinder Engine Parts we carry in stock are:
- Engine Coolant Water Bypass Gasket (11156530) – $1.99
- Oil Seal (10426044) – $4.99
- Multi-Purpose Seal (18442599) – $6.49
- Engine Oil Cooler Seal (10935223) – $6.99
- Stock Replacement Engine Assembly Lubricant, 4 oz. (50175373) – $6.99
What are the top-rated Engine Parts that fit the 2003 Nissan Pathfinder?
Out of 174 reviews by customers, our 2003 Nissan Pathfinder Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 2003 Nissan Pathfinder and their top-rated products:
- Engine Gaskets and Seals
- Engine Oil Pan Gasket Set – RTV Black silicone with Rubber end seals (15780340) – $20.99
- Engine Valve Cover Gasket (10700297) – $17.99
- Engine Valve Cover Gasket Set (20688543) – $35.99
What types of Engine Parts do you sell for my 2003 Nissan Pathfinder?
As of 11/2/25, these are some of the most in-demand types of Engine Parts for a 2003 Nissan Pathfinder:
Can I get help with 2003 Nissan Pathfinder Engine Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Nissan Engine Parts and more.
What is your return policy for Nissan Pathfinder Engine Parts?
Advance Auto Parts keeps returns simple. For new Nissan Pathfinder Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
